Light and Optics Quiz

10 multiple choice questions

1. What is the speed of light in a vacuum?

A) 300,000 km/s B) 300 m/s C) 150,000 km/s D) 3 m/s

2. What is the law of reflection?

A) Angle of incidence equals angle of reflection B) Light always goes straight C) Light bends at 90 degrees D) Light stops at surfaces

3. What type of mirror produces a magnified, upright image?

A) Plane mirror B) Concave mirror C) Convex mirror D) Flat mirror

4. What happens when light enters a denser medium from air?

A) Speeds up B) Slows down C) Stays the same D) Reverses direction

5. What is refraction?

A) Light bouncing off a surface B) Light bending when changing mediums C) Light being absorbed D) Light splitting into colors

6. Which color of light has the shortest wavelength?

A) Red B) Green C) Blue D) Yellow

7. What is the lens in your eye similar to?

A) Magnifying glass B) Convex lens C) Concave lens D) Mirror

8. A convex lens is also called what?

A) Diverging lens B) Converging lens C) Flat lens D) Curved lens

9. What creates a rainbow?

A) Light absorption B) Light scattering/refraction in water droplets C) Darkness D) Mirror reflection

10. What type of image does a convex mirror create?

A) Magnified B) Upright and smaller C) Inverted D) Real and enlarged

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